FIELD: transport pipeline, particularly for sealing different pipelines.
SUBSTANCE: end cap has inflatable shell connected by hose with air source. Spirally connected to outer side surface of inflatable shell are sealing belts. Rubber flanges with threaded hubs are installed at shell ends. Pipe for liquid pumping out is arranged inside shell. Shell includes two layers and has elliptical shape. Connected to shell ends are loops. Pressure control sensor in installed on front shell end and strips of light reflective material are arranged in shell ends. Hose has shut-off valve for stopping air flow.
EFFECT: extended technical capabilities.
7 cl, 6 dwg
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